netdev - Re: [PATCHv3 net-next] neigh: support smaller retrans

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Message-Id: <20200402.175549.2287578271928617904.davem@davemloft.net>
Date:   Thu, 02 Apr 2020 17:55:49 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     liuhangbin@...il.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCHv3 net-next] neigh: support smaller retrans_time settting

From: Hangbin Liu <liuhangbin@...il.com>
Date: Wed,  1 Apr 2020 14:46:20 +0800

> Currently, we limited the retrans_time to be greater than HZ/2. i.e.
> setting retrans_time less than 500ms will not work. This makes the user
> unable to achieve a more accurate control for bonding arp fast failover.
> 
> Update the sanity check to HZ/100, which is 10ms, to let users have more
> ability on the retrans_time control.
> 
> v3: sync the behavior with IPv6 and update all the timer handler
> v2: use HZ instead of hard code number
> 
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>

Applied, I like the consistency between ipv4 and ipv6 now.

Thanks.